FR2448250A1 - Filtre suiveur a commutation - Google Patents
Filtre suiveur a commutationInfo
- Publication number
- FR2448250A1 FR2448250A1 FR7902752A FR7902752A FR2448250A1 FR 2448250 A1 FR2448250 A1 FR 2448250A1 FR 7902752 A FR7902752 A FR 7902752A FR 7902752 A FR7902752 A FR 7902752A FR 2448250 A1 FR2448250 A1 FR 2448250A1
- Authority
- FR
- France
- Prior art keywords
- filter
- includes means
- following filter
- signal
- narrow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H15/00—Transversal filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
Landscapes
- Filters That Use Time-Delay Elements (AREA)
- Networks Using Active Elements (AREA)
- Filters And Equalizers (AREA)
Abstract
L'INVENTION CONCERNE UN FILTRE SUIVEUR A COMMUTATION A N CHEMINS COMMUTES, DE TYPE PASSE-BANDE, A BANDE ETROITE, DANS LEQUEL CHAQUE CHEMIN PRESENTE AU MOINS UN ELEMENT REACTIF. CE FILTRE COMPREND DES MOYENS POUR PRELEVER UN SIGNAL DE SYNCHRONISATION DES COMMUTATIONS DES CHEMINS EN AVAL DU FILTRE; IL EST CARACTERISE EN CE QU'IL COMPREND EN OUTRE DES MOYENS POUR MODIFIER LA FONCTION DE TRANSFERT DU FILTRE DE FACON A LAISSER PASSER EN SORTIE DU FILTRE UNE PARTIE DU SIGNAL D'ENTREE. APPLICATION AU FILTRAGE D'UN SIGNAL PRESENTANT UNE COMPOSANTE UTILE DE FREQUENCE VARIABLE, ASSOCIEE A UN BRUIT DE FOND IMPORTANT.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7902752A FR2448250A1 (fr) | 1979-02-02 | 1979-02-02 | Filtre suiveur a commutation |
EP80400125A EP0014628B1 (fr) | 1979-02-02 | 1980-01-25 | Filtre suiveur à commutation |
DE8080400125T DE3065965D1 (en) | 1979-02-02 | 1980-01-25 | N-path frequency-tracking filter |
US06/116,972 US4319207A (en) | 1979-02-02 | 1980-01-30 | Narrow-band-pass switching follower filter having n switched paths |
JP1086480A JPS55104115A (en) | 1979-02-02 | 1980-02-02 | Switching follower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7902752A FR2448250A1 (fr) | 1979-02-02 | 1979-02-02 | Filtre suiveur a commutation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2448250A1 true FR2448250A1 (fr) | 1980-08-29 |
FR2448250B1 FR2448250B1 (fr) | 1982-07-02 |
Family
ID=9221546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7902752A Granted FR2448250A1 (fr) | 1979-02-02 | 1979-02-02 | Filtre suiveur a commutation |
Country Status (5)
Country | Link |
---|---|
US (1) | US4319207A (fr) |
EP (1) | EP0014628B1 (fr) |
JP (1) | JPS55104115A (fr) |
DE (1) | DE3065965D1 (fr) |
FR (1) | FR2448250A1 (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2460564A1 (fr) * | 1979-06-29 | 1981-01-23 | Commissariat Energie Atomique | Ensemble de filtrage par commutation |
US4358737A (en) * | 1980-10-16 | 1982-11-09 | Motorola, Inc. | Digitally controlled bandwidth sampling filter-detector |
US4349799A (en) * | 1981-03-12 | 1982-09-14 | Rockwell International Corporation | Switching between radio frequency circuits |
US4646258A (en) * | 1982-12-30 | 1987-02-24 | Memorial Hospital For Cancer And Allied Diseases | Sampled N-path filter |
JPS6090411A (ja) * | 1983-10-07 | 1985-05-21 | Hitachi Ltd | フイルタ集積回路 |
FR2590090B1 (fr) * | 1985-11-13 | 1988-02-12 | Commissariat Energie Atomique | Filtre synchrone a capacites commutees |
JPS62278852A (ja) * | 1986-05-28 | 1987-12-03 | Sharp Corp | 位相同期フイルタ |
US4872127A (en) * | 1988-01-07 | 1989-10-03 | Magnetek, Inc. | Ripple rejection filter |
JPH0654245B2 (ja) * | 1988-04-19 | 1994-07-20 | 三菱電機株式会社 | 渦流量計 |
US4928075A (en) * | 1989-06-26 | 1990-05-22 | Digital Equipment Corporation | Multiple bandwidth filter system for phase locked loop |
US5309771A (en) * | 1992-03-09 | 1994-05-10 | Lew Yon S | Method for processing signals in vortex flowmeters |
US5369373A (en) * | 1992-10-16 | 1994-11-29 | Unisys Corporation | Comb data generation |
US5412356A (en) * | 1992-10-26 | 1995-05-02 | Constant Velocity Transmission Lines, Inc. | Digital interface cable |
US6683919B1 (en) * | 1999-06-16 | 2004-01-27 | National Semiconductor Corporation | Method and apparatus for noise bandwidth reduction in wireless communication signal reception |
US6621675B2 (en) | 2001-02-02 | 2003-09-16 | Broadcom Corporation | High bandwidth, high PSRR, low dropout voltage regulator |
US6441660B1 (en) * | 2001-02-02 | 2002-08-27 | Broadcom Corporation | High speed, wide bandwidth phase locked loop |
US6566970B2 (en) | 2001-02-02 | 2003-05-20 | Broadcom Corporation | High-speed, high PSRR, wide operating range voltage controlled oscillator |
US7683739B2 (en) * | 2005-06-21 | 2010-03-23 | Sure-Fire Electrical Corporation | Signal filter assembly with impedance-adjusting characteristic |
US20090206892A1 (en) * | 2008-02-15 | 2009-08-20 | Tektronix, Inc. | Phase-Locked Loop System and Method |
DE102009014859B4 (de) | 2009-03-30 | 2013-06-20 | Phoenix Contact Gmbh & Co. Kg | Filter, insbesondere zur Filterung elektromagnetischer Störungen |
FR3010837B1 (fr) | 2013-09-17 | 2015-10-02 | Commissariat Energie Atomique | Capteur d'image terahertz |
US9847772B2 (en) * | 2016-02-03 | 2017-12-19 | Qualcomm Incorporated | N-path filters with flatter frequency response |
WO2019219212A1 (fr) * | 2018-05-18 | 2019-11-21 | Huawei Technologies Co., Ltd. | Filtre à n voies avec rejet hors bande amélioré |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2044367A5 (fr) * | 1969-05-19 | 1971-02-19 | Cit Alcatel |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1450513A (fr) * | 1965-04-30 | 1966-06-24 | Electronique & Radio Ind | Perfectionnements aux réseaux correcteurs pour servomécanismes |
US3445685A (en) * | 1966-11-10 | 1969-05-20 | Gen Dynamics Corp | Filtering apparatus |
DE2553091A1 (de) * | 1975-11-26 | 1977-06-02 | Siemens Ag | N-pfad-filter |
-
1979
- 1979-02-02 FR FR7902752A patent/FR2448250A1/fr active Granted
-
1980
- 1980-01-25 EP EP80400125A patent/EP0014628B1/fr not_active Expired
- 1980-01-25 DE DE8080400125T patent/DE3065965D1/de not_active Expired
- 1980-01-30 US US06/116,972 patent/US4319207A/en not_active Expired - Lifetime
- 1980-02-02 JP JP1086480A patent/JPS55104115A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2044367A5 (fr) * | 1969-05-19 | 1971-02-19 | Cit Alcatel |
Non-Patent Citations (2)
Title |
---|
EXBK/68 * |
EXBK/75 * |
Also Published As
Publication number | Publication date |
---|---|
DE3065965D1 (en) | 1984-02-02 |
JPS55104115A (en) | 1980-08-09 |
EP0014628B1 (fr) | 1983-12-28 |
EP0014628A1 (fr) | 1980-08-20 |
FR2448250B1 (fr) | 1982-07-02 |
US4319207A (en) | 1982-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |